Home / 14,771,643.68-20,388,269.50-8,662,040.48

Finding the Fourth Proportional to 14,771,643.68, 20,388,269.50 and 8,662,040.48

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Solution

The fourth proportional to 14,771,643.68, 20,388,269.50 and 8,662,040.48 is: 11,955,610.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,771,643.68 : 20,388,269.50 = 8,662,040.48 : x
  2. Step 2: Convert to fraction form
    14,771,643.68/20,388,269.50 = 8,662,040.48/x
  3. Step 3: Cross multiply
    14,771,643.68x = 20,388,269.50 × 8,662,040.48
  4. Step 4: Simplify right side
    14,771,643.68x = 176,604,015,726,149.38
  5. Step 5: Solve for x
    x = 176,604,015,726,149.38/14,771,643.68
  6. Step 6: Final answer
    x = 11,955,610.33

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.